. >> and deadline day with the "fiscal cliff" just around the corner. why congress still can't close the deal. >> reporter: and we're live in san francisco, where firefighters are calling a house fire in the excelsior district suspicious. we'll tell you why and what may be behind the cause. ,,,, ,, it seems our angels have been busy building a new, stronger angel soft®. it's built with two softshield™ layers. stronger, holds up better, and still a value you love. new angel soft®. now stronger than ever. dance class, shopping, and more. so do something nice for it. chevron with techron. care for your car. house fire in san >> your realtime captioner: linda marie macdonald >>> arson investigators looking into a house fire here in san francisco. what made things so dangerous for the firefighters. >> skies clearing out very chilly around the bay area. will it rain on new year's eve? we'll talk about that coming up. >> and bart is offering extended service later on tonight for the new year's eve holiday. a check on that plus the rest of your morning comm